package com.yang.demo.config;

import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.yang.demo.constants.MailConstants;
import com.yang.demo.entity.MailLog;
import com.yang.demo.service.IMailLogService;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.DirectExchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;


/**
 * rabbitMQ配置类
 *
 * @author xiaoyang
 * @since 1.0.0
 */
@Configuration
public class RabbitMQConfig {
    private final static Logger logger = LoggerFactory.getLogger(RabbitMQConfig.class);
    //注入连接工厂
    @Autowired
    public CachingConnectionFactory cachingConnectionFactory;
    @Autowired
    public IMailLogService mailLogService;

    @Bean
    public RabbitTemplate rabbitTemplate(){
        RabbitTemplate rabbitTemplate = new RabbitTemplate(cachingConnectionFactory);
        /**
         * 消息确认回调,确认消息是否到达broker
         * data:消息唯一标识
         * ack:确认结果
         * cause:失败原因
         */
        rabbitTemplate.setConfirmCallback((data,ack,cause)->{
            String msgId = data.getId();
            if (ack){
                logger.info("{}--------消息发送成功",msgId);
                mailLogService.update(new UpdateWrapper<MailLog>().set("status",1).eq("msgId",msgId));
            }else {
                logger.error("{}---------消息发送失败",msgId);
            }
        });

        /**
         * 消息失败回调，比如router不到queue时回调
         * msg：消息主题
         * repCode：响应码
         * repText：相应描述
         * exchange：交换机
         * routingkey：路由键
         */
        rabbitTemplate.setReturnCallback((msg,repCode,repText,exchange,routingkey)->{
            logger.error("{}=======>消息发送queue时失败",msg.getBody());
        });

        return rabbitTemplate;
    }


    @Bean
    public Queue queue(){
        return new Queue(MailConstants.MAIL_QUEUE_NAME);
    }

    @Bean
    public DirectExchange directExchange(){
        return new DirectExchange(MailConstants.MAIL_EXCHANGE_NAME);
    }

    @Bean
    public Binding binding(){
        return BindingBuilder.bind(queue()).to(directExchange()).with(MailConstants.MAIL_ROUTING_KEY_NAME);
    }

}
